3 years ago

The molar mass of a certain gas is 80.6 g. What is the density of the gas in g/L at STP?

1 answer:

3 0

Using the ideal gas equation:
PV = nRT

Substituting n with mass / Mr
PV = mRT/Mr

Density = m/V
So rearranging:
Density = PMr/RT

P = 1 atm
R = 0.082 L atm / K mol
T = 273 K
Density = (1 x 80.6) / (0.082 x 273)
Density = 3.6 g / L

You might be interested in

why would you expect to see similar rocks and rock structures on two land masses that were connected at one time?

tangare [24]

If they were connected at one time than you would expect to find similar rock structures because they eroded, weathered, and we’re formed most likely at the same time out of the same material. So basically since they were near each other they were under the same or similar conditions.

3 0

3 years ago

Two objects are dropped into beaker with layers of oil, rubbing alcohol, water and corn syrup. These objects are made of the sam

Mademuasel [1]

It all depends on the objects' densities ,because if they're less dense than the oil they will not even sink to the bottom of the beaker

6 0

3 years ago

A gas sample is at 25°C and 1.0 atmosphere. Which changes in temperature and pressure will cause this sample to behave more like

-BARSIC- [3]

What's the answer. tell me please please please please please please please please please please please please

3 0

3 years ago

Two basic properties of the gas phase are

Molodets [167]

The choices can be found elsewhere and as follows:

A.) a definite shape and a definite volume
B.) a definite shape but no definite volume
C.) no definite shape and no definite volume

I believe the correct answer is option C. Two basic properties of the gas phase would be it has no definite shape and no definite volume. It takes the shape and volume of its container. Hope this answers the question.

6 0

4 years ago

Read 2 more answers

During your future endeavors in chemistry you will inevitably do a bunch of acid-base problems. Of the strong bases above, calci

Alex777 [14]

Answer:

d. There are two moles of hydroxide for each mole of these compounds.

Explanation:

calcium hydroxide, strontium hydroxide, and barium hydroxide all have two hydroxide compunds. the difference between each of these compounds is they all contain a different element along with hydroxide.

6 0

4 years ago